/Engine/Source/Runtime/Engine/Classes/Components/LineBatchComponent.h
MeshVerts - linear array of world space vertex positions MeshIndices - array of indices into MeshVerts. Each triplet is a tri. i.e. [0,1,2] is first tri, [3,4,5] is 2nd tri, etc
FBatchedMesh ( [TArray](API\Runtime\Core\Containers\TArray)< FVector > const & InMeshVerts, [TArray](API\Runtime\Core\Containers\TArray)< int32 > const & InMeshIndices, [FColor](API\Runtime\Core\Math\FColor) const & InColor, uint8 InDepthPriority, float LifeTime, uint32 InBatchID )